diff --git a/external/vulkancts/modules/vulkan/fragment_shader_interlock/vktFragmentShaderInterlockBasic.cpp b/external/vulkancts/modules/vulkan/fragment_shader_interlock/vktFragmentShaderInterlockBasic.cpp
index dcdbf40..cd215af 100644
--- a/external/vulkancts/modules/vulkan/fragment_shader_interlock/vktFragmentShaderInterlockBasic.cpp
+++ b/external/vulkancts/modules/vulkan/fragment_shader_interlock/vktFragmentShaderInterlockBasic.cpp
@@ -764,6 +764,11 @@
 		vk.cmdCopyBuffer(*cmdBuffer, **buffer, **copyBuffer, 1, &copyRegion);
 	}
 
+	memBarrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
+	memBarrier.dstAccessMask = VK_ACCESS_HOST_READ_BIT;
+	vk.cmdPipelineBarrier(*cmdBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT,
+		0, 1, &memBarrier, 0, DE_NULL, 0, DE_NULL);
+
 	endCommandBuffer(vk, *cmdBuffer);
 
 	submitCommandsAndWait(vk, device, queue, cmdBuffer.get());
diff --git a/external/vulkancts/modules/vulkan/rasterization/vktRasterizationTests.cpp b/external/vulkancts/modules/vulkan/rasterization/vktRasterizationTests.cpp
index 2cc4551..5f35a7d 100644
--- a/external/vulkancts/modules/vulkan/rasterization/vktRasterizationTests.cpp
+++ b/external/vulkancts/modules/vulkan/rasterization/vktRasterizationTests.cpp
@@ -2243,8 +2243,8 @@
 			outData[3] = tcu::Vec4( 0.11f,  0.2f, 0.0f, 1.0f);
 			outData[4] = tcu::Vec4( 0.88f,  0.7f, 0.0f, 1.0f);
 			outData[5] = tcu::Vec4(  0.8f, -0.7f, 0.0f, 1.0f);
-			outData[6] = tcu::Vec4(  1.0f,  0.7f, 0.0f, 1.0f);
-			outData[7] = tcu::Vec4( -1.0f,  0.7f, 0.0f, 1.0f);
+			outData[6] = tcu::Vec4(  0.9f,  0.7f, 0.0f, 1.0f);
+			outData[7] = tcu::Vec4( -0.9f,  0.7f, 0.0f, 1.0f);
 			break;
 	}